<template>
  <el-dropdown
    trigger="click"
    class="international"
    @command="handleSetLanguage"
  >
    <div>
      <el-tooltip effect="dark" :content="$t('navbar.lang')" placement="bottom">
        <svg-icon class-name="international-icon" icon-class="language" />
      </el-tooltip>
    </div>
    <template v-slot:dropdown>
      <el-dropdown-menu>
        <el-dropdown-item command="zh" :disabled="language === 'zh'"
          >中文</el-dropdown-item
        >
        <el-dropdown-item command="en" :disabled="language === 'en'"
          >English</el-dropdown-item
        >
      </el-dropdown-menu>
    </template>
  </el-dropdown>
</template>

<script>
export default {
  computed: {
    language () {
      return this.$store.getters.language
    }
  },
  methods: {
    handleSetLanguage (lang) {
      this.$i18n.locale = lang
      this.$store.dispatch('setLanguage', lang)
      this.$message({
        message: 'switch language success',
        type: 'success'
      })
    }
  }
}
</script>

<style scoped>
.international-icon {
  font-size: 20px;
  cursor: pointer;
  vertical-align: -4px !important;
  margin-right: 10px;
}
</style>
